Date
The Date
general HTTP header contains the date and time
at which the message originated.
Warning: Date
is listed
in the forbidden header names
in the fetch spec, so this code will not send the Date
header:
js
fetch("https://httpbin.org/get", {
headers: {
Date: new Date().toUTCString(),
},
});
Header type | Request header, Response header |
---|---|
Forbidden header name | yes |
Syntax
http
Date: <day-name>, <day> <month> <year> <hour>:<minute>:<second> GMT
Directives
- <day-name>
-
One of "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", or "Sun" (case-sensitive).
- <day>
-
2 digit day number, e.g. "04" or "23".
- <month>
-
One of "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" (case sensitive).
- <year>
-
4 digit year number, e.g. "1990" or "2016".
- <hour>
-
2 digit hour number, e.g. "09" or "23".
- <minute>
-
2 digit minute number, e.g. "04" or "59".
- <second>
-
2 digit second number, e.g. "04" or "59".
- GMT
-
Greenwich Mean Time. HTTP dates are always expressed in GMT, never in local time.
Examples
http
Date: Wed, 21 Oct 2015 07:28:00 GMT
Specifications
Specification |
---|
HTTP Semantics # field.date |
Browser compatibility
BCD tables only load in the browser